What is the key focus of FM 1-0?

The key focus of FM 1-0 is human resources support. This field manual outlines policies, procedures, and guidelines related to personnel management within the military. It emphasizes the importance of human resources in ensuring that soldiers are properly managed, supported, and developed throughout their service. Effective human resource support is critical for maximizing personnel readiness, morale, and effectiveness in missions.

While other options mention important aspects related to military operations, such as logistics and deployment procedures, they do not address the comprehensive management and support of personnel as central to FM 1-0. Human resources support encompasses various functions, including personnel accountability, casualty reporting, and the maintenance of records, which are all essential for operational success and organizational effectiveness.